Carl types 180 words in 2 minutes. what is the number of words carl types in 5 minutes?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.